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22 free cybersecurity tools you should know about
Cybersecurity products can get pricy, but there are many excellent open source tools to help secure your systems and data. Here's a list of some of the most popular.

TikTok bans explained: Everything you need to know
The United States government takes aim at the viral video sharing application TikTok.
OpenAI o3 and o4 explained: Everything you need to know
OpenAI o3 and o4-mini are successors to the o1 model and are releases from the OpenAI reasoning model branch. These models became widely available on April 16, 2025.
AI lawsuits explained: Who's getting sued?
Authors, artists and others are filing lawsuits against generative AI companies for using their data in bulk to train AI systems without permission.
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In-Depth Guides
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DeepSeek explained: Everything you need to know
DeepSeek, a Chinese AI firm, is disrupting the industry with its low-cost, open source large language models, challenging U.S. tech giants.
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AI in healthcare: A guide to improving patient care with AI
AI is permeating critical healthcare practices, from interpreting mammograms to discovering life-saving drugs, while surgically transforming hospital workflows.
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What is quantum computing? How it works and examples
Quantum computing is an emerging area of computer science focused on building computers based on the principles of quantum theory to dramatically increase computation speeds.
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What is ransomware? Definition and complete guide
Ransomware is malware that locks and encrypts a victim's data, files, devices or systems, rendering them inaccessible and unusable until the attacker receives a ransom payment.
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What is IT automation? A complete guide for IT teams
IT automation is the use of instructions to create a clear, consistent and repeatable process that replaces an IT professional's manual work in data centers and cloud deployments.
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SAP S/4HANA migration: A definitive guide
Moving a business to S/4HANA comes with major risks, yet it is also a real opportunity for digital transformation. Here's the information and best practices to ensure success.
New & Updated Definitions
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What is vendor neutral archive (VNA)?
A vendor neutral archive (VNA) is a medical imaging technology that stores medical images in a standard format and utilizes a standard interface, making them accessible to healthcare professionals regardless of what proprietary system was used to create those images. See More.
- What is a quantum circuit? Quantum vs. classical circuit
- What is Project Management Body of Knowledge (PMBOK)?
- What is risk avoidance?
- What is prediction error?
- What is prescriptive analytics?
- What is crypto-agility?
- What is pure risk?
- What is residual risk? How is it different from inherent risk?
Tech News
Genesys Cloud AI Studio enables generative AI agents
Genesys enables custom generative AI agents for its users.
Misdiagnosis hurts urgent care patient experience in 2025
Although the urgent care patient experience is still generally good, more online provider reviews mention misdiagnosis issues.
Agentic AI at the core of HPE networking, GreenLake updates
The infrastructure titan launched several new products and services aimed at bolstering customers' appetite and abilities for AI workload ...
AI-generated deepfakes spread in Israel-Iran-U.S. conflict
Bad actors have used AI technology for more than a decade to spread misinformation and disinformation. However, the tools are getting more ...